7x^2+43x=-168

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Solution for 7x^2+43x=-168 equation:


Simplifying
7x2 + 43x = -168

Reorder the terms:
43x + 7x2 = -168

Solving
43x + 7x2 = -168

Solving for variable 'x'.

Reorder the terms:
168 + 43x + 7x2 = -168 + 168

Combine like terms: -168 + 168 = 0
168 + 43x + 7x2 = 0

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
24 + 6.142857143x + x2 = 0

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + 6.142857143x + -24 + x2 = 0 + -24

Reorder the terms:
24 + -24 + 6.142857143x + x2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 6.142857143x + x2 = 0 + -24
6.142857143x + x2 = 0 + -24

Combine like terms: 0 + -24 = -24
6.142857143x + x2 = -24

The x term is 6.142857143x.  Take half its coefficient (3.071428572).
Square it (9.433673473) and add it to both sides.

Add '9.433673473' to each side of the equation.
6.142857143x + 9.433673473 + x2 = -24 + 9.433673473

Reorder the terms:
9.433673473 + 6.142857143x + x2 = -24 + 9.433673473

Combine like terms: -24 + 9.433673473 = -14.566326527
9.433673473 + 6.142857143x + x2 = -14.566326527

Factor a perfect square on the left side:
(x + 3.071428572)(x + 3.071428572) = -14.566326527

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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